package com.zzyl.nursing.service.impl;

import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.vo.NursingLevelVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.NursingLevelMapper;
import com.zzyl.nursing.domain.NursingLevel;
import com.zzyl.nursing.service.INursingLevelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 护理等级Service业务层处理
 *
 * @author alexis
 * @date 2024-12-30
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService {
    @Autowired
    private NursingLevelMapper nursingLevelMapper;


    @Autowired
    private RedisTemplate<Object, Object> redisTemplate;

    //redis里的key,抽取为常量
    private static final String CACHE_KEY_PREFIX = "nursingLevel:all";

    /**
     * 查询护理等级
     *
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id) {
        return nursingLevelMapper.selectById(id);
    }

    /**
     * 查询护理等级列表
     *
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevel> selectNursingLevelList(NursingLevel nursingLevel) {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     *
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel) {

        nursingLevel.setCreateTime(DateUtils.getNowDate());

        int insert = nursingLevelMapper.insert(nursingLevel);

        //删除缓存
        deleteCache();
        return insert;
    }

    private void deleteCache() {
        //删除缓存
        redisTemplate.delete(CACHE_KEY_PREFIX);
    }

    /**
     * 修改护理等级
     *
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel) {

        nursingLevel.setCreateTime(DateUtils.getNowDate());


        int update = nursingLevelMapper.updateById(nursingLevel);
        deleteCache();
        return update;
    }

    /**
     * 批量删除护理等级
     *
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids) {
        int deleteBatchIds = nursingLevelMapper.deleteBatchIds(Arrays.asList(ids));
        deleteCache();//删除缓存
        return deleteBatchIds;
    }

    /**
     * 删除护理等级信息
     *
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id) {
        int deleteById = nursingLevelMapper.deleteById(id);
        deleteCache();
        return deleteById;
    }

    /**
     * 查询护理等级Vo列表
     *
     * @param nursingLevel 条件
     * @return 结果
     */
    @Override
    public List<NursingLevelVo> selectNursingLevelVoList(NursingLevel nursingLevel) {
        return nursingLevelMapper.selectNursingLevelVoList(nursingLevel);
    }

    /*
     * 查询所有护理等级
     * */
    @Override
    public List<NursingLevel> getAll() {
        //从缓存中获取
        List<NursingLevel> nursingLevels = (List<NursingLevel>) redisTemplate.opsForValue().get(CACHE_KEY_PREFIX);
        if (CollUtil.isNotEmpty(nursingLevels)) {
            // 缓存中有数据，直接返回
            return nursingLevels;
        }
        //缓存中没有数据，从数据库查询
        nursingLevels = lambdaQuery().eq(NursingLevel::getStatus, 1).list();

        //4. 将数据添加到缓存中,过期时间12个小时
        redisTemplate.opsForValue().set(CACHE_KEY_PREFIX, nursingLevels, 12, TimeUnit.HOURS);
        return nursingLevels;
    }
}
